.php indicates the server is using the PHP scripting language.
Here is an in-depth look at what this query means, how it works, and why it became the face of SQL injection (SQLi) vulnerabilities. What Does "inurl:php?id=1" Actually Mean? inurl php id 1
However, older "legacy" websites, small business pages, and poorly maintained government portals often still use the old PHP patterns. For security researchers (and bad actors), this dork remains a quick way to find low-hanging fruit. Ethical and Legal Warning However, older "legacy" websites, small business pages, and
When combined, the query returns a list of websites that use PHP and have indexed pages utilizing a simple ID-based naming convention. The Connection to SQL Injection (SQLi) The Connection to SQL Injection (SQLi)
?id= is a GET parameter used to request a specific record from a database (like a product page or a news article). 1 is the value being passed to that parameter.
This code takes the number from the URL and drops it directly into a SQL command. Because the input isn't "sanitized," an attacker can replace 1 with malicious code. For example, changing the URL to php?id=1' (adding a single quote) might cause the database to crash and return an error, signaling that the site is vulnerable to a SQL injection attack. The "Dorking" Phenomenon
: This is a search operator that tells Google to restrict results to pages where the specified text appears anywhere in the URL.